Arizona authorities say a body was been found buried in concrete and dirt in the backyard of the former home of a 63-year-old Kingman man arrested in July after he confessed to killing a friend.
An autopsy is pending, but the Mohave County Sheriff's Office says the body recovered Monday night with the use of a jackhammer and other equipment is believed to be that of 65-year-old John Holland.
Richard Joseph Polaski is charged with premeditated first-degree murder.
Authorities said Polaski confessed to a homicide while speaking with police in Laughlin, Nevada, and that he then told investigators he gained access to Holland's investment account after killing Holland in 2015.
The Mohave County Public Defender's Office did not immediately respond to a request for comment on the allegations against Polaski.